Thermo Whip Polished Stainless Pint The iSi Thermo Whip is the first food whipper with thermal capabilities. It can keep contents cold for up to eight hours. No refrigeration needed. Second, it can keep ingredients hot without the need to reheat for up to three hours. Third, you can take the Thermo Whip with you wherever it is needed. . Or use it to help free up limited refrigerator space, keep it filled with what you need to save unnecessary steps. Perfect for creating and storing your most delicate soups, sauces, gravies, whipped creams, light desserts, and Espumas. 1pint capacity.